The purpose of this modification is to:

1. Incorporate 52.237-1 Site Visits (Apr 1984)

Site visits will be held 08/18/2026 at 10:00 only. At that time, the Facility Point of Contact will be reached and will meet with the contractor at the entrance to the facility. The Facility Point of Contact will escort the contractor to the installation location.

This solicitation is for a new 5‑year, firm‑fixed‑price contract for quarterly, biannual, and annual preventive maintenance of the Water Purification System at USDA’s National Center for Applied Plant Protection in Laurel, MD. The base period is 12 months with four 12‑month option periods. The contractor must provide all materials and services required in the Statement of Work.

Questions are due via email to Latisha.a.Hollman@usda.gov no later than 12:00 PM on 08/14/2026.

Interested vendors must submit a complete package—including the SF‑1449 and Attachment 2 (Labor Exemption Form)—via email by 12:00 PM (EST) on 08/17/2026. Use the solicitation number in the email subject line. Incomplete packages may be deemed ineligible.

Site visits are by appointment only and require coordination with PPM/EPM. Government‑issued photo ID is required. Upon arrival, the Facility Point of Contact will escort the contractor. For scheduling vendor visit days, contact:

Wesley Hutchinson

Facility Operations Specialist

Phone: 301‑313‑9256

Email: wesley.hutchinson@usda.gov

USDA/APHIS/PPQ/NCAPP

9901 Powder Mill Road

BARC‑East, Building 58